noun

pyromaniac

peye-roh-MAY-nee-ak

noun

A person with an uncontrollable urge to deliberately set things on fire.

"The pyromaniac was arrested after a string of warehouse fires."

"Doctors described his condition as pyromania, and the tabloids simply called him a pyromaniac."

How to Use Pyromaniac

Learner’s notes

In plain EnglishSomeone who compulsively starts fires, often as a genuine psychological disorder rather than simple mischief.

Common mistake

Not just "someone who likes fire" — clinically it implies a compulsive urge, not casual interest.

pyromaniacs plural

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The _____ was arrested after a string of warehouse fires.

Built from pyro- ("fire") plus -maniac ("someone obsessed with").

zodiac cardiac Pontiac amnesiac brainiac insomniac egomaniac aphrodisiac kleptomaniac megalomaniac nymphomaniac hypochondriac